Home / 17,178.99-23,686.14-13,351.74

Finding the Fourth Proportional to 17,178.99, 23,686.14 and 13,351.74

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Solution

The fourth proportional to 17,178.99, 23,686.14 and 13,351.74 is: 18,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.99 : 23,686.14 = 13,351.74 : x
  2. Step 2: Convert to fraction form
    17,178.99/23,686.14 = 13,351.74/x
  3. Step 3: Cross multiply
    17,178.99x = 23,686.14 × 13,351.74
  4. Step 4: Simplify right side
    17,178.99x = 316,251,182.88
  5. Step 5: Solve for x
    x = 316,251,182.88/17,178.99
  6. Step 6: Final answer
    x = 18,409.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.